Abstract: Extrusion dies for extruding honeycomb structural bodies which comprise a plurality of cell blocks having a cross sectional shape conforming to cells of the honeycomb structural body, a spoke supporter, and spokes, one end of which is fixed to the cell blocks and another end of which is integrally secured to the spoke supporter, said adjacent cell blocks forming discharge slits conforming to the cross sectional shape of the honeycomb structure, and said spoke supporter being provided with a plurality of feed inlets having a larger diameter, which are perforated from one end surface of the spoke supporter toward the cell blocks and a plurality of openings having a smaller diameter, which are perforated from another end surface of the spoke supporter to the feed inlet and connect to the feed inlet.

Abstract: A die for extruding a honeycomb structural body capable of preventing the deformation of the honeycomb structural body when the honeycomb structural body is extruded.